PL428105A1 - Hydrogen-free method of producing nitric acid using a catalyst containing aluminum nitride or other group III metal nitrides - Google Patents

Hydrogen-free method of producing nitric acid using a catalyst containing aluminum nitride or other group III metal nitrides

Info

Publication number
PL428105A1
PL428105A1 PL428105A PL42810518A PL428105A1 PL 428105 A1 PL428105 A1 PL 428105A1 PL 428105 A PL428105 A PL 428105A PL 42810518 A PL42810518 A PL 42810518A PL 428105 A1 PL428105 A1 PL 428105A1
Authority
PL
Poland
Prior art keywords
nitrogen
nitric acid
ain
catalyst
aluminum nitride
Prior art date
Application number
PL428105A
Other languages
Polish (pl)
Inventor
Izabella Grzegory
Paweł Tomasz Kempisty
Adam Stanisław Krukowski
Paweł Strąk
Konrad Sakowski
Original Assignee
Instytut Wysokich Ciśnień Polskiej Akademii Nauk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Instytut Wysokich Ciśnień Polskiej Akademii Nauk filed Critical Instytut Wysokich Ciśnień Polskiej Akademii Nauk
Priority to PL428105A priority Critical patent/PL428105A1/en
Priority to PCT/PL2019/050076 priority patent/WO2020122742A1/en
Publication of PL428105A1 publication Critical patent/PL428105A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/30—Preparation by oxidation of nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24—Nitrogen compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/072—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with aluminium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/40—Preparation by absorption of oxides of nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Catalysts (AREA)

Abstract

Przedmiotem wynalazku jest bezwodorowy sposób wytwarzania kwasu azotowego za pomocą katalizatora zawierającego azotek aluminium lub inne azotki metali grupy III. Przedstawia zastosowanie katalizatora z azotku aluminium (AIN) do syntezy tlenku azotu z azotu i tlenu w celu uzyskiwania kwasu azotowego. Działanie katalizatora polega na rozkładzie molekularnego azotu (N2) na azot atomowy podczas adsorpcji azotu N2 na powierzchni AIN(0001), tzn. na powierzchni aluminiowej. Podczas adsorpcji azotu wydzielana jest ogromna energia, rzędu 6 eV/molekułę N2. Na powierzchni AIN(0001) adsorbuje również tlen O2, który reaguje z azotem atomowym tworząc cząsteczki amoniaku NO, które ulegają desorpcji. W ten sposób otrzymujemy tlenek azotu w fazie gazowej. W dalszym etapie tlenek ulega utlenieniu do dwutlenku azotu i rozpuszczaniu w wodzie tworząc kwas azotowy. Utlenianie zachodzi przez spalanie w tlenie lub przez rozpuszczanie w roztworze wodnym kwasu azotowego, który ma działanie utleniające. Zastosowanie wysokich temperatur zwiększa szybkość reakcji syntezy tlenku azotu. Zastosowanie wysokich ciśnień azotu stabilizuje pokrycie azotem powierzchni AIN(0001) w wysokiej temperaturze uniemożliwiając jego utlenienie. Stwarza to możliwość zastosowania powierzchni AIN(0001) jako katalizatora do wysokotemperaturowej wysokociśnieniowej wydajnej i taniej syntezy tlenku azotu, i konsekwentnie kwasu azotowego do zastosowań w syntezie chemicznej i w innych zastosowaniach przemysłowych.The present invention relates to an anhydrous process for producing nitric acid with the aid of a catalyst containing aluminum nitride or other group III metal nitrides. It shows the use of an aluminum nitride (AIN) catalyst for the synthesis of nitric oxide from nitrogen and oxygen to obtain nitric acid. The catalyst works by decomposing molecular nitrogen (N2) into atomic nitrogen during the adsorption of nitrogen N2 on the AIN (0001) surface, i.e. on the aluminum surface. During nitrogen adsorption, enormous energy is released, on the order of 6 eV / N2 molecule. On the surface of AIN (0001) it also adsorbs oxygen O2, which reacts with atomic nitrogen to form ammonia NO molecules which are desorbed. This way we get nitrogen oxide in the gas phase. In a further step, the oxide is oxidized to nitrogen dioxide and dissolved in water to form nitric acid. Oxidation occurs by combustion in oxygen or by dissolving nitric acid in aqueous solution, which has an oxidizing effect. The use of high temperatures increases the reaction rate of nitric oxide synthesis. The application of high nitrogen pressures stabilizes the coverage of AIN (0001) surface with nitrogen at high temperature, preventing its oxidation. This makes it possible to use the AIN (0001) surface as a catalyst for the high temperature high pressure efficient and cheap synthesis of nitric oxide, and consequently nitric acid for use in chemical synthesis and other industrial applications.

PL428105A 2018-12-10 2018-12-10 Hydrogen-free method of producing nitric acid using a catalyst containing aluminum nitride or other group III metal nitrides PL428105A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL428105A PL428105A1 (en) 2018-12-10 2018-12-10 Hydrogen-free method of producing nitric acid using a catalyst containing aluminum nitride or other group III metal nitrides
PCT/PL2019/050076 WO2020122742A1 (en) 2018-12-10 2019-12-09 Hydrogen-free method of fabrication of nitric acid by means of a catalyst containing aluminum nitride or other group iii metals nitrides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL428105A PL428105A1 (en) 2018-12-10 2018-12-10 Hydrogen-free method of producing nitric acid using a catalyst containing aluminum nitride or other group III metal nitrides

Publications (1)

Publication Number Publication Date
PL428105A1 true PL428105A1 (en) 2020-06-15

Family

ID=69526294

Family Applications (1)

Application Number Title Priority Date Filing Date
PL428105A PL428105A1 (en) 2018-12-10 2018-12-10 Hydrogen-free method of producing nitric acid using a catalyst containing aluminum nitride or other group III metal nitrides

Country Status (2)

Country Link
PL (1) PL428105A1 (en)
WO (1) WO2020122742A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112221524A (en) * 2020-09-16 2021-01-15 西安近代化学研究所 Preparation method of supported gallium nitride catalyst with large specific surface area

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE305124C (en) *
WO2008154613A1 (en) * 2007-06-12 2008-12-18 Hsm Systems, Inc. Improved procedures for ammonia production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112221524A (en) * 2020-09-16 2021-01-15 西安近代化学研究所 Preparation method of supported gallium nitride catalyst with large specific surface area

Also Published As

Publication number Publication date
WO2020122742A1 (en) 2020-06-18

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